1.Sharp tools make good work.工欲善其事必先利其器

2.The best hearts are always the bravest.心灵最高尚的人，也总是最勇敢的人。

3.A bosom friend afar bribgs a distant land near.海内存知己，天涯若比邻

4.A fall into the pit,a gain in your wit.吃一堑长一智

5.All time is no time when it is past.机不可失，时不再来